Alg: Chapter 6 Review - Quadratic Functions and Relations

• Maximum

• Minimum

• Maximum

• Minimum

• Maximum

• Minimum

Graph y = x² + 2x – 1 by first finding the vertex. Write as an ordered pair (x,y).

Graph y = x² + 2x – 1 by second identifying the axis of symmetry.

• y = –2

• x = –2

• x = –1

• y = –1

Graph y = x² + 2x – 1 by third plotting which set of five points to connect with a curve?

• {(–3, 2), (–2, –1), (–1, –2), (0, –1), (1, 2)}

• {(2, –3), (–1, –2), (–2, –1), (–1, 0), (2, 1)}

• {(–2, –1), (–1, –2), (0, –1), (1, 2), (2, 7)}

• {(0, –1), (1, 2), (2, 7), (3, 14), (4, 23)}

What is the vertex of the graph of y = –2x² + 4x – 2. Write your answer as an ordered pair (x,y).

Does the graph of y = –2x² + 4x – 2 open up or down? Does it have a maximum or minimum?

• opens up

• opens down

• maximum

• minimum

What is the maximum of the graph of y = –2x² + 4x – 2?

If solving the equation x² – 2x – 3 = 0 by graphing, which point(s) are used to determine the solution(s)?

• Vertex (1, –4)

• X-intercepts (–1, 0) and (3, 0)

• Y-intercept (0, –3)

• None of the above